Covalently Bound Plasticized PVC Membranes for Solid State Ion-Selective Devices

Authors

  • Peter D. van der Wal
  • Renata Zielinska-Paciorek
  • Nicolaas F. de Rooij

DOI:

https://doi.org/10.2533/000942903777678704

Keywords:

Ion-selective electrodes, Isfets, Membrane adhesion, Plasticized pvc

Abstract

A method is described that makes it possible to covalently link plasticized PVC membranes to glass and other oxide surfaces. It involves the addition of an amine-group containing silane coupling agent and a heating step. Using this method, ion-sensitive field effect transistors (ISFETs) were modified with ion-selective plasticized PVC-membranes. The ion-selective properties of these devices were similar to those of devices prepared without linking the membrane to the surface, while the adhesion was dramatically improved.

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Published

2003-10-01

Issue

Section

Scientific Articles